DIN Standards Committee for Process and Plant Technology
Circular sight glass fittings with sight glasses in main power connection
Abstract
This standard is applicable to circular sight glass fittings with sight glasses in main power connection with maximum allowable temperature according to: - DIN 7079-1, glass-to-metal fused sight glasses up to 280 °C (depending on used metal ring between 250 °C and 300 °C); - DIN 7080, borosilicate glass up to 280 °C (if necessary, specific protection according to DIN 7080 required); - DIN 8902, soda-lime-glass up to 150 °C (if necessary, specific protection according to DIN 8902 required); and a maximum allowable pressure (PS) of 10 bar respectively 16 bar.
Begin
2026-08-25
Planned document number
DIN 28120
Project number
17800073
Responsible national committee
NA 178-01-03 AA - Process equipment
previous edition(s)
Circular sight glass fittings with sight glasses in main power connection
2021-04